Lighting fixture



FIG. 1 is a front elevational view of a lighting fixture, illustrating our new design;

FIG. 2 is a side elevational view thereof; and

FIG. 3 is a top view thereof.

The undisclosed rear elevational view of the invention is substantially similar to the front view shown in FIG. 1, and the undisclosed, opposing side elevational view of the invention is substantially similar to the side view illustrated in FIG. 2. 

The ornamental design for a lighting fixture, as shown and described. 